








⚡ Test Smarter, Work Faster — The Voltage Tester That Never Lets You Down
The Klein Tools ET45 Voltage Tester is a compact, battery-free device designed for professional-grade AC/DC voltage testing. Covering 24V-240V AC and 32V-330V DC ranges, it features a built-in lead holder for tamper-resistant outlet testing, rugged drop resistance, and IP44 dust/water protection—making it the go-to tool for reliable, on-the-go electrical diagnostics.






| Manufacturer | KLEIN TOOLS |
| Part number | ET45 |
| Item Weight | 50.9 g |
| Product Dimensions | 11.3 x 3.02 x 2.67 cm; 51.03 g |
| Item model number | ET40 |
| Size | One Size |
| Color | Multi |
| Style | 24/240 V |
| Finish | Brushed |
| Material | Plastic Housing, PCB with Electronic Components |
| Pattern | Solid |
| Shape | Rectangular |
| Power source type | Applied Voltage |
| Item Package Quantity | 1 |
| Display Style | Analog LED |
| Specification met | CE |
| Special Features | Built-in Test Lead Holders on Back of Tester Spaced Correctly to Hold Leads for Testing Tamper-Resistant US-style Outlets |
| Included components | AC/DC Voltage Tester: Tester |
| Batteries Included? | No |
| Batteries Required? | No |
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